Any abilities that trigger won't be put onto the stack until Mystic Confluence is done resolving
If your Commander tables are packed with targeted removal, this card might have a perfect home in your deck bonus points if youre working with +1/+1 counters
Entropic Specter, returned Specters to discard decks, joining the ranks of Abyssal and, the classic, hypnotic Specters
However, I think for this guide well take the opposite path: a choice to upgrade towards an increasingly focused combo deck playing around Gorma and persist creatures the way I described earlier
Alternatively, if you are interested in which Rabsca cards are gaining value, view the trending cards guide
I tend to play these when I am land heavy and want to safely reduce my land count where as I tend to play the bounce lands when I feel I am light and need to give my land count a boost